H Series Door

When security and lasting performance are the issue, the Fleming H Series Door should be specified. Recognized as one of the strongest doors in the industry, it is designed to withstand the wear and tear of high abuse and high frequency openings as well as commercial security applications. This door is specified in many banks, police stations and schools.

H Series doors are constructed using vertical interlocking steel stiffeners located at 6” centers across the door, welded to each face sheet at 6” on center, with the voids between stiffeners filled with batt insulation.  Vertical door edges are continuously welded for maximum durability and performance.

  • Available in 12 ga., 14 ga. and 16 ga.
  • Available in any size
  • Available with a wide range of glass lights and louvres
  • 20 ga interlocking, adhesive assisted, vertical steel stiffeners spot welded to each face sheet
  • Fire-rated with cULus and cWHIus labeling for traditional and positive pressure and smoke and draft control up to 3 hours with 4’ x 10’ singles / 8’ x 10’ pairs and to 5’ x 12’ singles / 10’ x 12’ pairs for 1-1/2 hours
  •  2007 Florida Building Code compliant, UL Listed, FBC Approved, including the HVHZ (Miami-Dade and Broward Counties) for 4’ x 8’ singles and 8’ x 8’ pairs up to +/- 70 psf Design Load and Large Missile Impact rated


  • Extra deep end channels at the top and bottom of the door for lasting integrity
  • High frequency hinge reinforcing which outperforms standard or 3/16" hinge reinforcing
  • Dimpled hinge reinforcing for easy conversion from standard weight hinges to heavy weight hinges
  • Channel type closer reinforcing in all doors
  • Face sheets and all internal components made with A40 paintable galvanneal steel
  • Meets and exceeds ANSI/SDI A250.8, ANSI/HMMA 861 and CSDMA 08 11 13 – Welded Stiffener Construction requirements
  • Continuously welded vertical door edges
  •  H Series doors exceed the ANSI A250.4 performance and acceptance criteria achieving 4 million cycles, 4 times the Level A requirements